Optics in Healthcare and the Life SciencesChapter 2 of an informative book ‘Harnessing Light: Optical Science and Engineering for the 21st Century’ discusses how optics and lasers have changed the practice of medicine and how optical science may affect the healthcare in applications as diverse as the determination of viral load in HIV and, potentially, the monitoring of blood glucose levels in diabetics.

Read this book: https://www.nap.edu/read/5954/chapter/5